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0. HEINRICH.

2 Sheets-Sheet I.

SELF FASTENING BOX.

Patented Deo.. 4, 1894.

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O. HEINRICH. SELF FAST-ENING B0X.

WITNESS/5S.'

2 Sheets-Sheet 2.

Patented Dec. 4, 1894;

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OSWALD HEINRICH, OF MITTELWALDE, ASSIGNOR OF ONE-HALF TO MICHAEL GOLDSOHMIDT, PHILIPP GOLDSOI-IMIDT, AND SIEGFRIED GOLDSOHMIDT,

OF BRESLAU, GERMANY.

SELF-FASTENING BOX.

SPECIFICATION forming part of Letters Patent No. 530,225, dated December 4, 1.894.

Application tiled May 31,1893. Serial No. 476,073. (No model.)

.To all whom, t may concern:

`Be it known that'I, OSWALD HEINRICH, a subject of the Emperor of Germany, residing at Mittelwalde, in the Province of Silesia, Germany, have invented certain new and useful Self-Fastening Boxes, ot which the following is a specification. A

This invention relates to a box with movable sides, the latter being connected with 1o each other by means of laps or straightelined or und ulated turrows catchinginto each other, the box being thus closed or opened. It would be well to make the lid as an ordinary removable side, Viz: to arrange the said lapor fur- [5 row-fastening between the lid and the sides ot the box.

In the drawings-Figure 1, is a sectional View ot one form ot my improved box. Fig. 2, is a side view of the same. Figs. 1a, 2a

zo show sectional views, and Fig. 3a a plan ot a modification. Fig. 3, is a modified form of connection between the cover and the box body. Fig. 4, is a transverse section of Fig. 3. Figs. 5, 6, 7 and 8 are detail views of dif- 2 5 ferent ways of fastening the corners of the cover. Figs. 9, 10 and l1 are perspective views of the parts of the box detached. Fig. 12, shows a corrugated form of box and cover. Figs. 13 and 14 are views ot details, and Figs.

3o 15 and 16 are views of a modification.

In order to fasten the lid to the box by means of laps, the sides a2 b2 of the box a and of the lid h respectively, are provided with laps a b', folding inside or outside. The sides,

3 5 either of the lid only or of both parts of the box, which are otherwise firmly connected with each other, are also separated from each other as shown in perspective View by Fig. 9

for the lid and by Fig. l0 for the box.

Fig. 11 is a perspective View of a box of which the sides, which are provided with laps h, are firmly connected with each other as usual. The lapso b `are in each case independent from each other. The sides b2 of the 1id,and also the sides azof the box, if the latter are separated, are movable on the lid and to the bottom of the box relatively.

In order to connect the two parts of the box, their sides are folded into each other with 'tom of the box.

their laps as shown by Fig. 1'. Afterthis the 5o upe's'rd'es 'b2 of the lid are connected with each other. Through this connection the sides of thebox, which arel covered over by the sides of the lid, are held together if thelatter, as mentioned,are independent from each otherand are only in connection with the bot- The separation of the sides of the box from each other may be sometimes of advantage for the packing ot the articles for which the boxes are used. After the box hasbeen closed with the lid, the joining of the sides b2 ot the lid may be effected in different ways.' Avery simple way to connect the meeting edges ot the lid-sides he is by means ot a stringgclwhich is drawn through the holes Z?3 6 tl'tliesides.y

A safer way of connecting two walls is a pair of hinge-eye-plates which, as shown by Figs. 13 and 14, consists ot two plates c catching into each other by means of the hingeeyes c and being held together by a hingepin c2. Each hinge-plate is secured along the edge of a lid-side. See Fig. 12. As soon as the box is united with the lid bythe sides and the laps being connected, each two adjoining plates c are pushed into each other with their eyes c and joined together by means of `their pin c2 which so far was withdrawn from the eyes.

Fig. 2 shows on the one side the simple conynection of the'lid-sides by means of a string d drawn through holes, in which case the sideedges may be strengthened by metal strips e. On the other side Fig. 2 shows the connection ettected'by the hinge-eye-plates before described.

If the laps b of the lid are arranged direct to a side serving as lid,viz: ifgthere are no iid-sides to go round the sides of the box,- the connection between the cover-plate b and the box a is formed as shown by Figs. 1a to 3a.

One of the box-sides is parted in the mid dle and each half a2 possesses a lap a. The cover-plate b is placed over the laps a situated on the outside, and each of its laps b', 95

which exist on two sides only, is pushed between one half-side a2 and one side-lap a. Connected in this manner, the cover-plate b and the box are held fast by the before-described hinge-eye-plates o c' and their pin o2, these plates' being fastened tothe two lidedges b which have no laps, and to the two boxsides n.3 situated under the same.

Fig. 1a shows a transverse section of the box shown in Fig. 2 while Fig. 2 is a sec tion of Fig. 1 on line .0cthereof. From these it will be seen when taken in connection with Fig. 3a which is a plan view that the interlocking plates are only at the two opposing edges of the box, while the flaps extend along the other two edges.

The looking plates are more fully shown in detail in Figs. 13 and 14.

The second manner of fastening the lid to the box consists in the sides of thelid and of the box being furrowed and-the same as with the sides provided with laps--by being parted from each other, either at the lid only or both at the lid and at the box.

Figs. 3, 4, 47, 8, 12, and 1G are to represent the uniting of the box and the lid by means of sidefurrows catching into each other.

Figs. 3 and 4 show two boxes the side-fur-y rows of which are undulated. Figs. 7 and 8 Show the lid l) with furrowed sides parted in vertical direction, the saule as with the lapsides. The parting edges of the sides are provided with strengthening metal strips e and holes b3 or with hinge-eye-plates c in order to be able to join them together. Fig. 12 represents a box of which the side-furrows are straightlined.

In order to place the lid on the box and to be able to place the lid-furrows into the furrows of the box, rst the parted lid-sides, movably joining the cover-plate of the lid, are folded open. Then thelidisplacedon thebox, and finally the lid-sides are refolded toward the box-sides. The lid-sides having been united with cach other in the way explained,

a safe connectionis formed between the box and the lid.

In order to place the lid-sides over the sides of the box, the cover-plate of the lid may also have a joint b, so that the lid-sides, in consequence of the cover bending upward, may be drawn from each other Without being movable at the cover-plate. See Figs. 15 and 16.

The Ways above described for fastening a lid to its box are an advantageous substitute for the string used till now for the saine pur pose, because the fastening is effected by the respective parts of the box, a uniting of the sides of the box and of the lid being obtained all round, and the cutting of the string into the material (paste-board) of which the box consists and the consequentdamaging of the contents of the box being done away with.

What I claim as my invention, and desire to secure by Letters Patent, is

l. A box comprising the bottom and sides, the latterhaviug portions constructed to interloolc with parts of the cover, said cover having side interlocking portions adapted to be spread in placing or removing the cover and the means for holding the interlocking sides of thecover in engagement with the interlocking portions of the box body, substantially as described.

2. In combination the corrugated body, the cover having the corrugated sides, said sides being arranged to be spread and folded against the sides of the box and the means for l1olding the sides of the cover in their folded position, substantially as described.

Signed at Breslau, Province of Silesia, Empire of Germany, this 19th day of April, 1893.

OSWALD HEINRICH.

llfitnesses:

MICHAEL GOLDSCHMIDT, OSCAR BRAUER. 

